20203133222123 has 4 divisors (see below), whose sum is σ = 20203148475480. Its totient is φ = 20203117968768.

The previous prime is 20203133222087. The next prime is 20203133222147. The reversal of 20203133222123 is 32122233130202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20203133222123 - 2⁸ = 20203133221867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20203133222092 and 20203133222101.

It is not an unprimeable number, because it can be changed into a prime (20203133222023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5428790 + ... + 8359307.

It is an arithmetic number, because the mean of its divisors is an integer number (5050787118870).

Almost surely, 2^{20203133222123} is an apocalyptic number.

20203133222123 is a deficient number, since it is larger than the sum of its proper divisors (15253357).

20203133222123 is a wasteful number, since it uses less digits than its factorization.

20203133222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15253356.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20203133222123 its reverse (32122233130202), we get a palindrome (52325366352325).

The spelling of 20203133222123 in words is "twenty trillion, two hundred three billion, one hundred thirty-three million, two hundred twenty-two thousand, one hundred twenty-three".